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Method for converting natural gas to liquid hydrocarbons
(United States. Patent and Trademark Office, 2003-08-05)
A process for converting natural gas to a liquid includes heating the gas to a selected range of temperature to convert a fraction of the gas stream to reactive hydrocarbons, primarily ethylene or acetylene, and reacting ...
Conversion of methane to C4&plus aliphatic products in high yields using an integrated recycle reactor system
(United States. Patent and Trademark Office, 2003-07-22)
This invention relates to processes and systems for the conversion of methane in high yields to C4+ hydrocarbons. The principal steps of the recycle process include reacting methane and O2 in an oxidative coupling reactor ...
Density gradient solutions of metal ion chelate complexes
(United States. Patent and Trademark Office, 2003-07-15)
Methods of forming a density gradient by applying a centrifugal field to a solution of one or more metal ion chelate complexes are disclosed. The density gradients are self-forming equilibrium gradients and are useful for ...
Methods and apparatus for scanning electromagnetically-induced thermoacoustic tomography
(United States. Patent and Trademark Office, 2003-05-20)
A microwave-induced thermoacoustic tomography system and method is provided to image biological tissue. Short microwave pulses irradiate tissue to generate acoustic waves by thermoelastic expansion. The microwave-induced ...
Aggregate dilatometer device and methods of testing
(United States. Patent and Trademark Office, 2003-03-04)
Methods and devices for improved measurement of the thermal expansion and/or chemical reactivity of aggregates used in concrete and for similar substances. Aggregate is placed into the chamber of a metallic container having ...
Decorin binding protein essential peptides and methods of use
(United States. Patent and Trademark Office, 2003-02-11)
Borrelia burgdorferi, the causative agent of Lyme disease, expresses on its surface a decorin binding protein, DbpA and DbpB. Lysine residues necessary for DbpA binding to decorin and DbpA peptides containing these critical ...
Determination of chloride corrosion threshold for metals embedded in cementitious material
(United States. Patent and Trademark Office, 2003-11-11)
The chloride corrosion threshold of a metal embedded in a cementitious structure is determined in an accelerated manner by using an electric field to increase the rate of migration of chloride ion into the structure and ...
Periodic field focusing ion mobility spectrometer
(United States. Patent and Trademark Office, 2003-10-28)
This invention is generally in the field of improved ion mobility spectrometry. The improvement lies in the use of periodic focusing electric fields that minimize the spatial spread of the migrating ions by keeping them ...
Polypeptides and polynucleotides from coagulase-negative staphylococci
(United States. Patent and Trademark Office, 2003-10-21)
Isolated proteins, designated SdrF, SdrG and SdrH, and their corresponding amino acid and nucleic acid sequences are provided which are useful in the prevention and treatment of infection caused by coagulase-negative ...
Maize lipoxygenase polynucleotide and methods of use
(United States. Patent and Trademark Office, 2003-09-30)
The invention provides isolated maize lipoxygenase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering lipoxygenase concentration and/or composition of ...